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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11812) Implement listLocatedStatus for ViewFileSystem to speed up split calculation
Date Fri, 10 Apr 2015 22:48:13 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14490495#comment-14490495
] 

Hadoop QA commented on HADOOP-11812:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12724674/HADOOP-11812.004.patch
  against trunk revision 2cc9514.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

      {color:red}-1 javac{color}.  The applied patch generated 1149 javac compiler warnings
(more than the trunk's current 1148 warnings).

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-common-project/hadoop-common.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/6094//testReport/
Javac warnings: https://builds.apache.org/job/PreCommit-HADOOP-Build/6094//artifact/patchprocess/diffJavacWarnings.txt
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/6094//console

This message is automatically generated.

> Implement listLocatedStatus for ViewFileSystem to speed up split calculation
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-11812
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11812
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 2.7.0
>            Reporter: Gera Shegalov
>            Assignee: Gera Shegalov
>            Priority: Blocker
>              Labels: performance
>         Attachments: HADOOP-11812.001.patch, HADOOP-11812.002.patch, HADOOP-11812.003.patch,
HADOOP-11812.004.patch
>
>
> ViewFileSystem is currently not taking advantage of MAPREDUCE-1981. This causes several
x of RPC overhead and added latency.



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